lirui-apache commented on code in PR #6698:
URL: https://github.com/apache/iceberg/pull/6698#discussion_r1091540668
##########
core/src/main/java/org/apache/iceberg/CatalogUtil.java:
##########
@@ -439,4 +439,40 @@ public static MetricsReporter loadMetricsReporter(String
impl) {
return reporter;
}
+
+ /**
+ * Load a custom ClientPool implementation.
+ *
+ * <p>The ClientPool must have a no-arg constructor. {@link
ClientPool#initialize(Map, Object)} is
+ * called to complete the initialization.
+ *
+ * @param impl ClientPool implementation full class name
+ * @param properties catalog properties
+ * @param conf hadoop configuration if needed
+ * @return initialized ClientPool object
+ * @throws IllegalArgumentException if no-arg constructor not found or error
during initialization
+ */
+ public static <C, E extends Exception> ClientPool<C, E> loadClientPool(
+ String impl, Map<String, String> properties, Object conf) {
+ Preconditions.checkNotNull(
+ impl, "Cannot initialize custom ClientPool, impl class name is null");
Review Comment:
IMO the util method here shouldn't care about where the impl class name come
from. Maybe it's better to change the message like `Cannot initialize custom
ClientPool, impl class name is null. Please check the value of
CatalogProperties.CLIENT_POOL_IMPL.` Let me know if you think otherwise
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